Kier and Environment Agency cut diesel use with hybrid hydrogen power trial
Kier Group and the Environment Agency have reportedly saved up to 20,000 litres of diesel at a construction site in Somerset, UK, by trialling a hybrid energy system powered by solar and green hydrogen.
Launched in January 2025, at Kier’s Bridgwater Tidal Barrier construction site, the partners have been trialling and will continue to test an energy system comprising solar panels, green hydrogen fuel cells and battery storage.
As of April 2025, the 12-month trial has delivered 16,047 kWh of power, with 6,588 kWh from solar, 9,171 kWh from green hydrogen, and 287 kWh from batteries, avoiding an estimated 53,000 kgCO₂e.
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